Math  /  Discrete

QuestionA stock can go up, go down, or stay unchanged. How many possibilities are there if you own 11 stocks?
There are \square possibilities with 11 stocks.

Studdy Solution

STEP 1

1. Each stock has 3 possible outcomes: go up, go down, or stay unchanged.
2. The outcomes of each stock are independent of the others.

STEP 2

1. Identify the number of possible outcomes for a single stock.
2. Determine the total number of possibilities for 11 stocks.

STEP 3

For a single stock, there are 3 possible outcomes: it can go up, go down, or stay unchanged.

STEP 4

Since the outcomes of the stocks are independent, the total number of possibilities for 11 stocks is calculated by raising the number of outcomes for a single stock to the power of the number of stocks. Therefore, we have:
311 3^{11}

STEP 5

Calculate 311 3^{11} :
311=177147 3^{11} = 177147
There are 177147 \boxed{177147} possibilities with 11 stocks.

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